July 14, 2012, is the 100th anniversary of Woody Guthrie's birth. Al Aumuller/Courtesy of the Woody Guthrie Archives hide caption

itoggle caption Al Aumuller/Courtesy of the Woody Guthrie Archives

Uncle Tupelo at the Sapphire Supper Club in Orlando, Fla. Jeff Tweedy (second from left) went on to form Wilco, while Jay Farrar (second from right) created Son Volt.

Jim Leatherman hide caption

itoggle caption Jim Leatherman